617947057284 has 24 divisors (see below), whose sum is σ = 1450211017920. Its totient is φ = 204791702304.

The previous prime is 617947057219. The next prime is 617947057291. The reversal of 617947057284 is 482750749716.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148829104 + ... + 148833255.

It is an arithmetic number, because the mean of its divisors is an integer number (60425459080).

Almost surely, 2^617947057284 is an apocalyptic number.

It is an amenable number.

617947057284 is an abundant number, since it is smaller than the sum of its proper divisors (832263960636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

617947057284 is a wasteful number, since it uses less digits than its factorization.

617947057284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297662539 (or 297662537 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 617947057284 in words is "six hundred seventeen billion, nine hundred forty-seven million, fifty-seven thousand, two hundred eighty-four".